SPI FLASH Recovery

Recovery from corruption or incorrect firmware in SPI FLASH:

• XO-1
• XO-1.5 using an XO-1.5 as host (comprehensive)
• XO-1.5 using an XO-1.5 as host (brief) (these two pages yet to be merged)
• XO-1.5 that was bricked by power removal during firmware upgrade
• XO-1.75 (using CForth)
• XO-1.75 (using JTAG)
• XO-4 (using CForth)
• XO-4 (using JTAG)
• XO-4 using an XO-1.5 as host

Or instead of recovery, replacement:

• XO Replacing SPI flash

See also discussion at Firmware/Recovery.